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fix parser rule for identifiers (void is a keyword, not an identifier)

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This commit is contained in:
Irmen de Jong 2024-10-27 15:57:27 +01:00
parent 4b4af9b527
commit 504c80cddf
2 changed files with 12 additions and 9 deletions
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16
compilerAst/src/prog8/ast/antlr/Antlr2Kotlin.kt
View File

@ -249,7 +249,7 @@ private fun Asmsub_paramsContext.toAst(): List<AsmSubroutineParameter>
val identifiers = vardecl.identifier()
if(identifiers.size>1)
throw SyntaxError("parameter name must be singular", identifiers[0].toPosition())
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME() ?: identifiers[0].VOID()
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME()
AsmSubroutineParameter(identifiername.text, datatype, registerorpair, statusregister, toPosition())
}
@ -324,7 +324,7 @@ private fun Sub_paramsContext.toAst(): List<SubroutineParameter> =
val identifiers = it.identifier()
if(identifiers.size>1)
throw SyntaxError("parameter name must be singular", identifiers[0].toPosition())
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME() ?: identifiers[0].VOID()
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME()
SubroutineParameter(identifiername.text, datatype, zp, it.toPosition())
}
@ -343,10 +343,7 @@ private fun Assign_targetContext.toAst() : AssignTarget {
return when(this) {
is IdentifierTargetContext -> {
val identifier = scoped_identifier().toAst()
if(identifier.nameInSource==listOf("void"))
AssignTarget(null, null, null, null, true, scoped_identifier().toPosition())
else
AssignTarget(identifier, null, null, null, false, scoped_identifier().toPosition())
AssignTarget(identifier, null, null, null, false, scoped_identifier().toPosition())
}
is MemoryTargetContext ->
AssignTarget(null, null, DirectMemoryWrite(directmemory().expression().toAst(), directmemory().toPosition()), null, false, toPosition())
@ -357,6 +354,9 @@ private fun Assign_targetContext.toAst() : AssignTarget {
val arrayindexed = ArrayIndexedExpression(arrayvar, index, ax.toPosition())
AssignTarget(null, arrayindexed, null, null, false, toPosition())
}
is VoidTargetContext -> {
AssignTarget(null, null, null, null, true, void_().toPosition())
}
else -> throw FatalAstException("weird assign target node $this")
}
}
@ -716,7 +716,7 @@ private fun VardeclContext.toAst(type: VarDeclType, value: Expression?): VarDecl
val options = decloptions()
val zp = getZpOption(options)
val identifiers = identifier()
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME() ?: identifiers[0].VOID()
val identifiername = identifiers[0].NAME() ?: identifiers[0].UNDERSCORENAME()
val name = if(identifiers.size==1) identifiername.text else "<multiple>"
val isArray = ARRAYSIG() != null || arrayindex() != null
val split = options.SPLIT().isNotEmpty()
@ -744,7 +744,7 @@ private fun VardeclContext.toAst(type: VarDeclType, value: Expression?): VarDecl
arrayindex()?.toAst(),
name,
if(identifiers.size==1) emptyList() else identifiers.map {
val idname = it.NAME() ?: it.UNDERSCORENAME() ?: it.VOID()
val idname = it.NAME() ?: it.UNDERSCORENAME()
idname.text
},
value,

5
parser/antlr/Prog8ANTLR.g4
View File

@ -171,6 +171,7 @@ assign_target:
scoped_identifier #IdentifierTarget
| arrayindexed #ArrayindexedTarget
| directmemory #MemoryTarget
| void #VoidTarget
;
multi_assign_target:
@ -211,6 +212,8 @@ arrayindexed:
;
void : VOID ;
typecast : 'as' datatype;
directmemory : '@' '(' expression ')';
@ -231,7 +234,7 @@ breakstmt : 'break';
continuestmt: 'continue';
identifier : NAME | UNDERSCORENAME | VOID;
identifier : NAME | UNDERSCORENAME ;
scoped_identifier : identifier ('.' identifier)* ;